However the banking organisation Apacs claimed that standardisation would be to the detriment of customers.
"The big change concerns certainty of funds, " said a spokeswoman for the banking organisation Apacs.
An Apacs spokesman said that inquiries were ongoing to establish how the hidden devices logged pin numbers.
Apacs says that chip-and-pin remains the safest method of payment for goods and services but was never claimed to be foolproof.
Analysts at payments association Apacs say that that no significant peak has been spotted on transactions through the Chaps transmission service.
Gemma Smith of the Association of Payment and Clearing Services (Apacs) told the programme that the clearing service technology is not date sensitive.
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Sandra Quinn, of APACS, says it is no different from the practice - used before credit cards - of paying an upfront deposit.
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Sandra Quinn, of Apacs, said the figures were not a sign that consumers were ignoring the economic slowdown and going on a spending spree.
APACs, which co-ordinates payments systems, was preparing to admit its first non-bank member on March 23rd (even if it is merely the government-owned post office).
"The key message is that customers should still be able to use their cards even if they do not know their PIN number, " says Jemma Smith, from Apacs.
He asks the chief executive of the Association for Payment Clearing Services (Apacs), which represents the credit card industry, what the banks are thinking of lending money to people who will never be able to afford to pay it back.
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